. The street railway review . machinery is accomplished by a gravity system consisting of anelevated tank from which the oil is piped to the various these it is piped to the basement under the engine room,where it passes through a Cross oil filter and from this it islifted by means of a small steam pump to the overhead tank. Thepressure for the air chamber is maintained by two so-in. Buflfalofans located in i>iie corner of the engine room. Each of thesefans is direct driven by a three-phase General Electric inductionmotor. Among the power house auxiliaries may be mentioned the
. The street railway review . machinery is accomplished by a gravity system consisting of anelevated tank from which the oil is piped to the various these it is piped to the basement under the engine room,where it passes through a Cross oil filter and from this it islifted by means of a small steam pump to the overhead tank. Thepressure for the air chamber is maintained by two so-in. Buflfalofans located in i>iie corner of the engine room. Each of thesefans is direct driven by a three-phase General Electric inductionmotor. Among the power house auxiliaries may be mentioned theHoppes feed water heater and i,ooo-h. p. live steam feed waterpurifier, Holly drip return system, a 1,200-h. p. exhaust steamheater and a Worthington elevated cone condenser located outside. THACKERV SUB-STATION. IAK llAKN ANll l-UKK.!!! MIUISK. al 305 f- I ■ • ••*■••■ = I of 280-ampcrcs at 125 engine room contains a sub-station equipment consisting oftwo rotary converters, each of 300-kw. capacity, and a low tensionswitchboard. Part of the current from the generators is led di-rectly to Ihce converters and the rest is led to six air blast trans-formers, each having a capacity of 180 kw,, which step up the cur-rent from 370 volts to 26,400 volts, which is the voltage useil on thehigh tension lines. Ihcsc transformers arc situated in a separate of the building above the eaves of the boiler house ronf. \ use-ful auxiliary is a shower bath which has been provided for theuse of the engineers and firemen. It is localeil in one corner of theboiler room. In addition to the sub slalion . in the power litnisc, ihercare two others, one of which is localeil at Tliackery near Ihe centerof the present line, anil the other at Casstown, a short dist
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
